We have a long tradition of asking each other riddles. A classic one asks, "A plane crashes on the border between France and Germany. Where do they bury the sur

We have a long tradition of asking each other riddles. A classic one asks, "A plane crashes on the border between France and Germany. Where do they bury the survivors?" Riddles are such a big part of the human experience that we have whole books of collections of them, and even a Batman villain named after them.